CN204905897U - Automatic protection device and battery charging outfit charge - Google Patents
Automatic protection device and battery charging outfit charge Download PDFInfo
- Publication number
- CN204905897U CN204905897U CN201420634964.7U CN201420634964U CN204905897U CN 204905897 U CN204905897 U CN 204905897U CN 201420634964 U CN201420634964 U CN 201420634964U CN 204905897 U CN204905897 U CN 204905897U
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- CN
- China
- Prior art keywords
- terminal
- charging
- storage battery
- travel switch
- switch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to the electrical control field specifically discloses an automatic protection device and battery charging outfit charge, the automatic protection device that charges, it has an equipment load to hold battery output loop connection at rechargeable, the battery just, the negative terminal still is connected with the terminal that charges that can insert the charger terminal, but the device is including the perception the charger terminal inserts charge terminal and change hold the travel switch of battery output return circuit for off -state. The utility model discloses the maloperation appears in the equipment that can prevent when charging, need not set up the terminal of a plurality of changes in addition, operates more portably, and terminal life is higher to and charge the terminal and only be used for charging, can avoid the unmatched cost of terminal extravagant.
Description
Technical field
The utility model belongs to field of electrical control, is specifically related to a kind of charging automatic safety device and charging device.
Background technology
For the equipment using rechargeable battery to carry out work, because charging voltage is general not identical with voltage with the electric current that equipment normally works with charging current, voltage and current infringement equipment different time for avoiding charging, and for high-current equipment, the phenomenons such as electric fiery arc, spark are easily produced when charging, thus, equipment work is not allowed when equipment charge.In addition, for the electric equipment with hoofing part function, as electric automobile, ground washing vehicle, road sweeper, battery-operated motor cycle etc., if used when driver does not pull up charging plug in time, easily charging electric wire is pulled apart and even occur electric shock accidents.
For avoiding above-mentioned defect, existing charging device usually uses switched terminal carry out charging to switch, namely when equipment works, accumulator terminal is connected with machinery equipment terminal, machinery equipment terminal must be extracted during charging, then charger terminal is inserted on accumulator terminal and charges.
The method has good safety and reliability when normal operation, but for big current terminal, therefore its terminal is comparatively large, and the contact engaging and separating force between terminal is also just very large, inconvenient operation, and long-term plug easily damages terminal; Also there is supporting problem simultaneously, general high-current equipment adopts electrokinetic cell, operating current reaches about 0.2-1C, that is general only use 1-5 hour after being full of electricity, and charging current is generally 0.1-0.15C, that is need the 8-10 hour that charges, therefore charging current is much less than operating current, terminal exchanges and just big current terminal can only be arranged on the charger of relatively a little bit smaller electric current, does not mate thus cause this waste due to it.
Utility model content
The purpose of this utility model is the charging automatic safety device and the charging device that provide a kind of safety and reliability, to solve prior art charging operations trouble, easily damage terminal, and terminal does not mate the problem causing this one-tenth to waste.
The utility model can be achieved by taking following technical scheme:
A kind of charging automatic safety device, apparatus of load is connected with at the output loop of chargeable storage battery, the positive and negative end of described storage battery is also connected with the charging terminal that can insert charger terminal, and described device comprises and charger terminal described in perception can insert charging terminal and the output loop changing described storage battery is off the travel switch of state; Described travel switch is normally closed switch, described device also comprises D.C. contactor, first pin of described D.C. contactor coil is connected with the first pin of described travel switch, second pin of described travel switch is connected with the negative terminal of described storage battery, second pin of described D.C. contactor coil is connected with the positive output end of described storage battery, and the contact switch of described D.C. contactor is series at the output loop of described storage battery.
Further, described device also comprises starting switch, and the first end of described starting switch is connected with the second pin of described travel switch, and the second end of described starting switch is connected with the negative terminal of described storage battery.
Concrete, described travel switch comprises the roller being arranged at charging terminal side, and when charger terminal is inserted, roller bounces back and changes the open and-shut mode of described travel switch.
The utility model additionally provides a kind of charging device, and it comprises the charging automatic safety device described in above-mentioned any one.
Compared with prior art, the difference of charging automatic safety device described in the utility model is also to comprise travel switch, described travel switch can insert charging terminal in charger terminal described in perception, and the corresponding output loop changing described storage battery is off state, thus when charger terminal is charged, the current supply circuit of equipment is in off-state, can prevent equipment from occurring misoperation when charging, do not need the terminal that multiple replacing is set in addition, operate easier, terminal is higher for useful life, and charging terminal is only for charging, the unmatched cost waste of terminal can be avoided.
Accompanying drawing explanation
Fig. 1 is the structural representation of charging automatic safety device described in the utility model;
Fig. 2 is the fit structure schematic diagram of charging terminal described in the utility model and travel switch;
Fig. 3 is charging terminal described in the utility model, charger terminal coordinates schematic diagram with travel switch;
Fig. 4 is the structural representation of charging automatic safety device described in the utility model;
Fig. 5 is the structural representation of the another charging automatic safety device of the utility model.
Embodiment
Below in conjunction with accompanying drawing, most preferred embodiment of the present utility model is described in detail.
Charging automatic safety device described in the utility model, can be used for being with the various equipment of rechargeable battery, is particularly useful for high-current equipment or can drives the equipment of walking.With solve its charging time there is misoperation damage equipment, and charging time troublesome poeration, affect terminal useful life and cost waste problem.
As shown in Figure 1; charging automatic safety device described in the utility model; apparatus of load 2 is connected with at the output loop of chargeable storage battery 1; the positive and negative end of described storage battery 1 is also connected with the charging terminal 4 that can insert charger terminal 3, and described device comprises and charger terminal 3 described in perception can insert charging terminal 4 and the output loop changing described storage battery 1 is off the travel switch 5 of state.
Wherein, as shown in Figure 2, described travel switch 5 can be arranged at described charging terminal 4 side, and described travel switch 5 can arrange roller 51, is certainly not limited to roller, can also be other slidably contact.And in the figure roller in the raw, the spring in travel switch is not subject to retraction force, now travel switch is normally off, the output loop conducting of storage battery, and apparatus of load can be used by storage battery normal power supply.
When charger terminal is inserted, as shown in Figure 3, roller 51 bounces back owing to being subject to the extruding of charger terminal, now travel switch is in the off-state of retraction, because of the insertion of charger terminal, the output loop of storage battery cannot be communicated with, and equipment is cisco unity malfunction now, thus can misoperation be prevented and charging wire is broken or produce fire security incident occur.
As the embodiment that the utility model is perfect further, as shown in Figure 4, on the basis of Fig. 1, described device also comprises D.C. contactor 6, first pin of described D.C. contactor coil 61 is connected with the first pin of described travel switch 5, second pin of described travel switch 5 is connected with the negative terminal of described storage battery 1, second pin of described D.C. contactor coil 61 is connected with the positive output end of described storage battery 1, and the contact switch 62 of described D.C. contactor 6 is series at the output loop of described storage battery 1.
In addition, described D.C. contactor can also be the control type switches such as relay.
Certainly, as the operability that the utility model is implemented, described device can also comprise starting switch 7, and the first end of described starting switch 7 is connected with the second pin of described travel switch 5, and the second end of described starting switch 7 is connected with the negative terminal of described storage battery 1.
As the circuit connection state schematic diagram that Fig. 4 is charging automatic safety device described in the utility model when non-charging.As shown in Figure 4, because charger terminal 3 is not inserted in charging terminal 4, travel switch 5 is not subject to the extruding of charger terminal 3, and now travel switch 5 is in normally off.
When user's transmit operation instruction makes starting switch 7 close, the electric current of storage battery 1 at direct contactor coil 61 inner gateway, thus makes contact switch 62 conducting of D.C. contactor switch 6, and the output loop of storage battery 6 can normally work.Certainly, when starting switch 7 disconnects, D.C. contactor coil 61 disconnects, thus contact switch 62 is disconnected, and equipment cannot normally work.
If Fig. 5 is the view of charging automatic safety device described in the utility model when charging; because charger terminal 3 during charging is inserted in charging terminal 4; travel switch 5 is made to be subject to the extruding of charger terminal and to disconnect; thus the coil 61 of D.C. contactor is disconnected; the output loop of electric power storage stream 1 cuts off, thus better ensures to avoid occurring misoperation when charging.
After the basis of Fig. 1 adds the control type such as D.C. contactor or relay switch, there is spark or electric arc when the utility model can be made to avoid plug, improve the case used, be especially applicable to current flow devices.
In addition, the utility model also provides a kind of charging device comprising above-mentioned charging automatic safety device, better charges to make equipment.
Above said content, be only the preferred embodiment of the utility model, when can not limit the scope of the utility model enforcement with this, namely generally make simple equivalence change according to the content described in the utility model claim and utility model specification and modify, all still belong within the utility model claim scope.In addition, summary part and title are only used to the use of auxiliary patent document search, are not used for the interest field of restriction the utility model.
Claims (4)
1. a charging automatic safety device, apparatus of load is connected with at the output loop of chargeable storage battery, the positive and negative end of described storage battery is also connected with the charging terminal that can insert charger terminal, it is characterized in that, described device comprises and charger terminal described in perception can insert charging terminal and the output loop changing described storage battery is off the travel switch of state; Described travel switch is normally closed switch, described device also comprises D.C. contactor, first pin of described D.C. contactor coil is connected with the first pin of described travel switch, second pin of described travel switch is connected with the negative terminal of described storage battery, second pin of described D.C. contactor coil is connected with the positive output end of described storage battery, and the contact switch of described D.C. contactor is series at the output loop of described storage battery.
2. charge automatic safety device according to claim 1; it is characterized in that; described device also comprises starting switch, and the first end of described starting switch is connected with the second pin of described travel switch, and the second end of described starting switch is connected with the negative terminal of described storage battery.
3. charging automatic safety device according to claim 1, is characterized in that, described travel switch comprises the roller being arranged at charging terminal side, and when charger terminal is inserted, roller bounces back and changes the open and-shut mode of described travel switch.
4. a charging device, is characterized in that, described equipment comprises the automatic safety device that to charge described in any one of the claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634964.7U CN204905897U (en) | 2014-10-21 | 2014-10-21 | Automatic protection device and battery charging outfit charge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634964.7U CN204905897U (en) | 2014-10-21 | 2014-10-21 | Automatic protection device and battery charging outfit charge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905897U true CN204905897U (en) | 2015-12-23 |
Family
ID=54928048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420634964.7U Expired - Fee Related CN204905897U (en) | 2014-10-21 | 2014-10-21 | Automatic protection device and battery charging outfit charge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591419A (en) * | 2014-10-21 | 2016-05-18 | 广州市白云清洁用品有限公司 | Charging automatic protection device and equipment |
-
2014
- 2014-10-21 CN CN201420634964.7U patent/CN204905897U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591419A (en) * | 2014-10-21 | 2016-05-18 | 广州市白云清洁用品有限公司 | Charging automatic protection device and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20181021 |